E90Post
 


 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Mike/Terry, can you please join this discussion?



Reply
 
Thread Tools Search this Thread
      02-21-2011, 03:56 PM   #463
Jeff@TopGearSolutions
Jeff@TopGearSolutions's Avatar
United_States
3475
Rep
79,211
Posts

Drives: C6 Z06, 09 335i, 10 335xi
Join Date: Dec 2008
Location: www.TopGearSolutions.com

iTrader: (37)

Quote:
Originally Posted by Morpheus View Post
out of curiosity, what AFRs did you tune these STI's and hondas?
I never tuned any specific STi's, just Honda/Acura.

For N/A applications I tuned in the 13-13.2 Range
For Forced Induction 5 PSI or less they were tuned to 12.0-12.5

5PSI+ 11.7 AFR

10 PSI+ 11.5


Anything involving race gas tunes and excess of 20 PSI I rarely touched but I would likely put then in a low 11's AFR if I did.


I'd imagine I would tune any STI in the mid 11's.

Quote:
Originally Posted by InCityPhoto View Post
Because you can not produce data showing that the severity of knock increases.

Common sense says it does, But there is no actual data supporting it. There are thousands of JB users driving around that does not seem to have such a horrible result.
With your balloon theory?
Its common sense....

It doesnt need Data. Its physics my friend.
Appreciate 0
      02-21-2011, 03:56 PM   #464
InCityPhoto
Lieutenant
United_States
20
Rep
425
Posts

Drives: 07' 335I
Join Date: Mar 2010
Location: Tampa, FL

iTrader: (0)

Quote:
Originally Posted by gbreeE90 View Post
Yeah, I dont think its very funny that my car was being damaged though.
If you get to the point were you feel the knocking, your way past "damaged"


Quote:
Originally Posted by JPSlick View Post
I never tuned any specific STi's, just Honda/Acura.

For N/A applications I tuned in the 13-13.2 Range
For Forced Induction 5 PSI or less they were tuned to 12.0-12.5

5PSI+ 11.7 AFR

10 PSI+ 11.5


Anything involving race gas tunes and excess of 20 PSI I rarely touched but I would likely put then in a low 11's AFR if I did.




Its common sense....

It doesnt need Data. Its physics my friend.

Without Data its opinion or theories
Appreciate 0
      02-21-2011, 03:57 PM   #465
AltecBX
Colonel
AltecBX's Avatar
United_States
344
Rep
2,663
Posts

Drives: BMW 335xi Sedan; BMW M3 ZCP
Join Date: Nov 2007
Location: NYC

iTrader: (0)

Garage List
2018 BMW M3 ZCP  [0.00]
2007 BMW 335Xi  [0.00]
Quote:
Originally Posted by JPSlick View Post
I dont have a JB4, and JB4 does not have the appropriate logging channels.

Therefore you are asking for the impossible.

A real tune would have the appropriate logging channels.
That's why I recommended doing this.

Quote:
Originally Posted by AltecBX View Post
N54 Max boost pressure
335i = 8.7 psi
335is = 11..6 psi (14.5 psi for 7 seconds)

Couldn't we just see what timing is being pulled in these two different models in the same conditions. I would like to see how the Procede and JB4 result when using the same 32x and 10x sample by using the Procede software and harness running equal 14psi. This way i believe will make most board member see the real difference between both tunes. I believe Shiv this this in the past of some kind, but will like to put both of them on in autouning mode to see how they both compare to the end result(knock sensors or timing control).
__________________
335xi Sedan 6AT | Weather(70-85°F) | N54 Tune Comparison Chart || N54 Turbo Upgrade Comparison Chart
-PROcede Rev. 2.5 ~ v5 (3/17 maps) / JB4 (8/21 maps) / COBB (Stg2+FMIC LT Aggressive maps)
†Procede Map2(UT 45 - IGN 40) Aggression Target 2.0 | 0-60 in 4.0sec || †Cobb E30 LT (35% Ethanol/65% 93 Octane) | 0-60 in 3.9sec
AR Design Catless DP | BMS DCI + OCC | ETS 5 FMIC | Alpina B3 Trans Flash |235/265 19" Michelin PSS
Appreciate 0
      02-21-2011, 03:58 PM   #466
Litos
Banned
United_States
222
Rep
2,991
Posts

Drives: 2012 Challenger RT Junk
Join Date: Dec 2010
Location: Houston/Pearland

iTrader: (1)

Quote:
Originally Posted by Morpheus View Post
out of curiosity, what AFRs did you tune these STI's and hondas?
my SRT4 would run 11.4's on pump and 12.3 on the gas.

my STi would run 12.2 on meth. still pretty conservative.
Appreciate 0
      02-21-2011, 03:58 PM   #467
turbo2nr
25to4
turbo2nr's Avatar
No_Country
20
Rep
224
Posts

Drives: e90 335i
Join Date: Dec 2010
Location: Nyc

iTrader: (0)

Quote:
Originally Posted by InCityPhoto View Post
If you get to the point were you feel the knocking, your way past "damaged"





Without Data its opinion or theories
wtf? have you ever tuned or been around some one tuning a car.. smh..

im not getting involved..
__________________

1996 s14 600whp
Appreciate 0
      02-21-2011, 03:58 PM   #468
Jeff@TopGearSolutions
Jeff@TopGearSolutions's Avatar
United_States
3475
Rep
79,211
Posts

Drives: C6 Z06, 09 335i, 10 335xi
Join Date: Dec 2008
Location: www.TopGearSolutions.com

iTrader: (37)

Quote:
Originally Posted by InCityPhoto View Post
If you get to the point were you feel the knocking, your way past "damaged"





Without Data its opinion or theories
Physics isnt a theory. Its Fact. LOL.

Try JR/Sr year in high school again.
Appreciate 0
      02-21-2011, 03:59 PM   #469
Clap135
Brigadier General
Clap135's Avatar
106
Rep
3,460
Posts

Drives: 2009 N54
Join Date: Jul 2009
Location: Sticky's Mom House

iTrader: (1)

Quote:
Originally Posted by InCityPhoto View Post
Show me numbers and actual data pertaining to Knock severity to phisical damage done.



Its all hypothetical
The ideal gas law is hypothetical? please stop wasting my time.

I can see why you lost your job as an eng. and now must sell houses for a living. You are better off trust me.
Appreciate 0
      02-21-2011, 03:59 PM   #470
BrianMN
Banned
124
Rep
2,428
Posts

Drives: 4 Door Family Sedan
Join Date: Sep 2009
Location: Minneapolis

iTrader: (7)

Honestly, if you don't have solid knowledge of the internal combustion engine and solid engine tuning theory, the content in this thread is simply confusing the hell out of you. If you don't understand every single thing that happens in 720* rotation of the crankshaft, and WHY each one of those things is important, you should simply spend the next couple days on google and then re-read this and other technical threads.
Appreciate 0
      02-21-2011, 04:00 PM   #471
InCityPhoto
Lieutenant
United_States
20
Rep
425
Posts

Drives: 07' 335I
Join Date: Mar 2010
Location: Tampa, FL

iTrader: (0)

Quote:
Originally Posted by Clap135 View Post
The ideal gas law is hypothetical? please stop wasting my time.

I can see why you lost your job as a eng. and now must sell houses for a living. You are better off trust me.
Once again, Insulting me personally, really its sad coming from someone that works for the government.

The only argument to the question, If it's knocking so bad, why do all JB users not have problems? Is "there strong" is a BS reason. No Physics there.
Appreciate 0
      02-21-2011, 04:00 PM   #472
Litos
Banned
United_States
222
Rep
2,991
Posts

Drives: 2012 Challenger RT Junk
Join Date: Dec 2010
Location: Houston/Pearland

iTrader: (1)

when an engine knocks, it doesn't instantly mean the engine is trash already.

but when you knock it for a year straight, you might be giving your car AIDS HAHAHA !!!!
Appreciate 0
      02-21-2011, 04:03 PM   #473
Forcefed3
Banned
No_Country
132
Rep
4,732
Posts

Drives: 2008 335i
Join Date: May 2010
Location: South

iTrader: (2)

Garage List
2008 335i  [1.00]
Quote:
Originally Posted by InCityPhoto View Post
If you get to the point were you feel the knocking, your way past "damaged"
Well it has been almost a year and my car is fine. Trust me, I felt it.
Appreciate 0
      02-21-2011, 04:03 PM   #474
Clap135
Brigadier General
Clap135's Avatar
106
Rep
3,460
Posts

Drives: 2009 N54
Join Date: Jul 2009
Location: Sticky's Mom House

iTrader: (1)

To all the poeple who are clueless

http://forums.evans-tuning.com/viewtopic.php?t=136

This was written by imo one of the best tuners in the states. If you think is hypothetical, end your life
Appreciate 0
      02-21-2011, 04:04 PM   #475
InCityPhoto
Lieutenant
United_States
20
Rep
425
Posts

Drives: 07' 335I
Join Date: Mar 2010
Location: Tampa, FL

iTrader: (0)

Quote:
Originally Posted by Clap135 View Post
To all the poeple who are clueless

http://forums.evans-tuning.com/viewtopic.php?t=136

This was written by imo one of the tuners in the states. If you think is hypothetical, end your life
Written by who?
Appreciate 0
      02-21-2011, 04:04 PM   #476
Clap135
Brigadier General
Clap135's Avatar
106
Rep
3,460
Posts

Drives: 2009 N54
Join Date: Jul 2009
Location: Sticky's Mom House

iTrader: (1)

Quote:
Originally Posted by InCityPhoto View Post
Once again, Insulting me personally, really its sad coming from someone that works for the government.

The only argument to the question, If it's knocking so bad, why do all JB users not have problems? Is "there strong" is a BS reason. No Physics there.
Insulting you by posting facts?
Appreciate 0
      02-21-2011, 04:05 PM   #477
Clap135
Brigadier General
Clap135's Avatar
106
Rep
3,460
Posts

Drives: 2009 N54
Join Date: Jul 2009
Location: Sticky's Mom House

iTrader: (1)

Quote:
Originally Posted by InCityPhoto View Post
Written by who?
jeff evans, get a clue.
Appreciate 0
      02-21-2011, 04:05 PM   #478
InCityPhoto
Lieutenant
United_States
20
Rep
425
Posts

Drives: 07' 335I
Join Date: Mar 2010
Location: Tampa, FL

iTrader: (0)

Quote:
Originally Posted by Clap135 View Post
Insulting you by posting facts?
Don't understand why you have to insult me personally at all.


Quote:
Originally Posted by Clap135 View Post
jeff evans, get a clue.

Jeeze calm down, I just read what you said and You said something like "IMO tuner in the country"
Appreciate 0
      02-21-2011, 04:08 PM   #479
secretsquirrel
Colonel
secretsquirrel's Avatar
202
Rep
2,348
Posts

Drives: f80
Join Date: Dec 2010
Location: Far North Dallas

iTrader: (2)

This sounds like the argument for not wearing condoms. I've done it 'x' amount of times. Still no AIDs. All my friends do it, no AIDs. Surely having sex with no condoms is not bad.
Appreciate 0
      02-21-2011, 04:09 PM   #480
Forcefed3
Banned
No_Country
132
Rep
4,732
Posts

Drives: 2008 335i
Join Date: May 2010
Location: South

iTrader: (2)

Garage List
2008 335i  [1.00]
Quote:
Originally Posted by Clap135 View Post
To all the poeple who are clueless

http://forums.evans-tuning.com/viewtopic.php?t=136

This was written by imo one of the best tuners in the states. If you think is hypothetical, end your life
Nice post, thats a good read.
Appreciate 0
      02-21-2011, 04:10 PM   #481
InCityPhoto
Lieutenant
United_States
20
Rep
425
Posts

Drives: 07' 335I
Join Date: Mar 2010
Location: Tampa, FL

iTrader: (0)

Quote:
Originally Posted by secretsquirrel View Post
This sounds like the argument for not wearing condoms. I've done it 'x' amount of times. Still no AIDs. All my friends do it, no AIDs. Surely having sex with no condoms is not bad.
There still trying to say the same thing they said in the first place..

The JB4 does not adjust the Timing, We know this.
Appreciate 0
      02-21-2011, 04:10 PM   #482
Clap135
Brigadier General
Clap135's Avatar
106
Rep
3,460
Posts

Drives: 2009 N54
Join Date: Jul 2009
Location: Sticky's Mom House

iTrader: (1)

Quote:
Originally Posted by InCityPhoto View Post
Don't understand why you have to insult me personally at all.





Jeeze calm down, I just read what you said and You said something like "IMO tuner in the country"
Not instulting, stating facts. Any eng. would understand how pressure works.
What I meant to say was "imo the best tuner in the states"
Appreciate 0
      02-21-2011, 04:11 PM   #483
Morpheus
Captain
26
Rep
941
Posts

Drives: 335i Titanium Silver
Join Date: Sep 2008
Location: Cockaigne

iTrader: (1)

Quote:
Originally Posted by JPSlick View Post
As it has been stated OVER AND OVER AND OVER AND OVER...

There are plenty of STOCK CARS that knock.

Knocking at stock boost levels is not as extreme as adding 2x more boost with no PROACTIVE IGNITION CHANGES.

I feel like a broken record.

**

When tuning in the enthusiast world and tuning for power, LIMITING knock becomes priority.

BMW designed a happy medium tune to work for various conditions, keeping in mind there may be infact low severity knocks on their LOW BOOST.

When you tune in the real world, for power, as an enthusiast, looking for power, you tune for power and safety for your SPECIFIC CONDITIONS. Not tuned for the entire world.
Well which is it? Is stock knock ok or not ok?

Quote:
Originally Posted by JPSlick View Post
If his logic held true in fairytale land, 10's of thousands of "low severity" knock would have no ill effects on an engine cause its of "low severity".

I want this guy tuning my next car. PLEASE!
Quote:
Originally Posted by JPSlick View Post
You can have a situation where knock did not cause catastrophic failure immediately , HOWEVER, over time this ABUSIVE manner will degrade the integrity of the hardware in the engine.
Quote:
Originally Posted by JPSlick View Post
Knock overtime, or just once, can damage an engine.
Quote:
Originally Posted by JPSlick View Post
As you can see here, this is the PROPER way to tune vehicle as there is absolutely no knock present.
Quote:
Originally Posted by JPSlick View Post
Regardless of direct injection or not, a knock sensor, that is detecting knock, is still KNOCK. So knocking on any engine is the same.

As you know, Knock causes extreme wear and tear and pressures in the engine.
Quote:
Originally Posted by JPSlick View Post
Again, there are motors out there that cannot even handle these "low severity" knocks that are still being preached. So to say, they dont matter, is not true.
Appreciate 0
      02-21-2011, 04:11 PM   #484
Clap135
Brigadier General
Clap135's Avatar
106
Rep
3,460
Posts

Drives: 2009 N54
Join Date: Jul 2009
Location: Sticky's Mom House

iTrader: (1)

Quote:
Originally Posted by InCityPhoto View Post
There still trying to say the same thing they said in the first place..

The JB4 does not adjust the Timing, We know this.
Yes, and by raising cylinder pressure it increases the severity of knock from a stock car.
Appreciate 0
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 08:53 AM.




e90post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2025, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST